Romney looks to fend off Santorum, Paul

Republican presidential candidate former Pennsylvania Sen. Rick Santorum gestures as he waits to speak to local residents during a campaign stop at USA Furniture and Bedding, Wednesday, Dec. 28, 2011, in Dubuque, Iowa. (AP Photo/Charlie Neibergall)

January 2, 2012 9:30:00 AM PST
The Iowa race remarkably fluid, Republican presidential candidate Mitt Romney faces a suddenly surging Rick Santorum, an unpredictable Ron Paul factor and the challenge of winning over undecided conservatives in a state that spurned him four years ago.